Sarfarāz Khān (c. 1700 – 29 April 1740), born Mīrza Asadullāh, was a Nawab of Bengal(Independent). Sarfaraz Khan's maternal grandfather, Nawab Murshid Quli Khan of Bengal (Bengal, Bihar and Orissa) nominated him as the direct heir to him as there was no direct heir. After Murshid Quli's death in 1727, Sarfaraz ascended to the Masnad (throne) of the Nawab. Sarfaraz's father, Shuja-ud-Din Muhammad Khan, then the Subahdar of Orissa, getting to know it arrived at Murshidabad, the capital of the Nawabs of Bengal with a huge army. To avoid a conflict in the family the dowager Begum of the Nawab asked Shuja-ud-Din to ascend to the Masnad after Sarfaraz abdicated in favour of his father. However, circumstances led Shuja-ud-Din to nominate Sarfaraz as his heir and after Shuja-us-Din's death in 1739, Sarfaraz Khan again ascended to the Masnad as the Nawab of Bengal (Bengal, Bihar and Orissa).
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Sarfaraz Khan in the context of Alivardi Khan
Alivardi Khan (1671 – 9 April 1756) was the fourth Nawab of Bengal from 1740 to 1756. He toppled the Nasiri dynasty of Nawabs by defeating Sarfaraz Khan in 1740 and assumed power himself.
During much of his reign Alivardi encountered frequent Maratha raids under Raghuji Bhonsle, culminating in the surrender of the province of Orissa in a peace settlement in 1751. He also faced separatist rebellions in Bihar as well as a revolt from his grandson Siraj ud-Daulah, though these were suppressed.
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